Short Ruby Newsletter - edition 126

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Table of Contents

• 🚀 Launches and discounts

• 📅 Events

• 👉 All about Code and Ruby

• 🧰 Gems, Libraries, Tools and Updates

• 🤝 Related (but not Ruby-specific)

• More content: 📚 🗞 🎧 🎥 ✍🏾

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🚀 Launches and discounts

🚀 Ryan Kulp launched a free Ruby course: Fundamentals

🚀Gregory Brown announced the release of a free sample of his “Bug Hunt: Volume 1“ guidebook 🥳

Available here, go and check it out: BUG HUNT | skillstopractice.com (you can also pre-order the book):

🚀 Dave Thomas launched his new book: simplicity. The book is available here: The Pragmatic Bookshelf | simplicity

📅 Events

📅Friendly.rb announced the upcoming Friendly.rb ‘25 conference, with tickets now available and also accepting Call for Paper submissions

📅 Ruby On Rails announced the RailsWorld CFP is now open. For more details, you can check out Ruby on Rails page

📅 Irina Nazarova invited Bay Area Ruby enthusiasts to join a new event at New Relic

📅 Andy Croll announced a new edition of Brighton Ruby Meetup

📅 Saeed Jabbar announced a new Ruby AI meetup in NYC 🗽

📅 Baltic Ruby announced updates to their website for the Riga event, with the main page and lineup now available, and more content coming soon 🔜

📅 Rails Camp Usa announced some updates about the Rails Camp scholarship

📅schwad announced the first BelfastRuby meetup for this year 🎊

📅 Ruby Kaigi announced the event schedule is now available:

👉 All about Code and Ruby

💻 Code Samples

💻Aristóteles Coutinho shared a code sample about preventing direct access to internal components:

️️💻 Brad Gessler shared a code sample demonstrating Phlex view component

️💻 Jakob shared a Ruby code snippet that reads CSV data from standard input, allowing for quick console data parsing

️💻 Steve Polito shared a client project approach on debounce mechanism

Here is the solution he came up with 🔑

️💻 Jonathan Frias shared a tip about adding ordering helpers to models to maintain consistent ordering and improve composition flow

️💻 Ruby Cademy shared a code sample about a new discovery: structure_dump_flags

💻 Hyacinthe shared a code sample about building a queue with Ractors:

️💻 Ahmed Benh shared steps for integrating daisyUI 5.0 with Rails

️️💻 Hans Schnedlitz shared a tip about using ~/.default-gems to auto-install gems with new Ruby installations via ASDF and Mise

️💻 Ruby Cademy highlighted Rails halted_callback_hook feature for monitoring halted callbacks

️💻 Jess Brown shared insights on Active Record OR queries, particularly combining them with AND operations and complex joins. Read the full article here

️💻 Akinori Musha asked about a Ruby regex behavior:

️💻 Janko Marohnić shared a code sample demonstrating how to make Arel more ergonomic with minimal effort

️💻Graceful.Dev shared a code sample about logical operators vs ternary operator

️💻Adam Fortuna shared a code sample to show how they populate Redux state from Ruby using IntertiaRails instead of ActionCable

️💻 Fabian shared a tip for serving images directly from Rails to bypass asset pipeline complications

️💻 Ruby Cademy explained how Ruby's in? method smartly selects between include? and cover? depending on the argument type. See the code here

️💻 Matheus Richard shared his appreciation for how it and then create readable code chains in modern Ruby

💻 Scott Watermasysk shared a tip about re-running RSpec tests with a specific seed using the —seed parameter

️💻 Hamid Siddiqui shared how handy is to add rate limiting in Rails 8 💪

📐 Thinking about Code Design

️️📐 Joël Quenneville highlighted 3 principles he uses to structure complex functions. Also, check the full blog post for more details on his take: Triangle of Separation

️📐 Greg Molnar noted Rails CSRF protection only covers POST requests, not GET requests that modify data

DHH replied with:

️📐 Rich Steinmetz shared optimization tips for Bullet Train apps on Render’s free tier by reducing Puma workers and thread count to address RAM limitations

️📐 Josef Strzibny asked about handling conditional redirects in Turbo based on success/failure states, particularly for modals

Here are some responses he received (check the full thread on Twitter)

️📐Stephen Margheim asked if adding a custom allocation code path for a class could affect Object Shapes and YJIT optimization. Check full thread for the entire conversation 💬

Jean Boussier pointed to Performance impact of the memoization idiom on modern Ruby

️📐 Nate Berkopec noted on Rails frontend weaknesses:

Here are some replies from his post 💬

️📐 Brad Gessler appreciated how clean anchor tags look under link abstractions in Rails, hiding Turbo data attributes while maintaining readability

️📐 Nate Berkopec shared about sharing CSS from another domain:

️📐Jean Boussier demonstrated how reversing operands in a comparison (REMOVE_KEY == value instead of value == REMOVE_KEY) dramatically improved performance

and the PR comment for more explanations

️📐 Vladimir Dementyev shared his experience pairing with Claude Code to migrate from Minitest to RSpec 🧪

️📐 Joel Moss asked Ruby gem authors whether they prefer specifying development dependencies in the gemspec or Gemfile

and Julik replied

📐 David Heinemeier Hansson shared his thoughts on using Docker in development only for accessory services:

He also posted some benchmarks on his take

️📐Gregory Brown shared advice on how to effectively read code by tracing execution paths rather than reading linearly

️📐 Rich Steinmetz shared about how they use AI. Here is a part of the long post they shared. You can read it full on Threadreader app

💡Around code (news, findings, books, and more - all about Ruby)

💡 Charles Oliver Nutter is seeking help verifying third-party libraries on JRuby 10 ♦️

❤️ Why Choose Ruby and Rails

❤️ Yaroslav Shmarov compared Laravel’s commercial focus to Rails minimalist open approach 👀

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 David Heinemeier Hansson announced a new GitHub extension for local CI sign-offs. Here you can check the repo of this extension: gh-signoff

🆕Davide Santangelo published a new gem gitingest - is a command-line tool that fetches files from a GitHub repository and generates a consolidated text prompt for your LLMs

🆕 Davide Santangelo published a new gem called lanet - A lightweight tool for secure and easy peer-to-peer communication on local area networks. Includes a CLI and Ruby API

🧰 Updates

🧰 Joel Drapper added experimental support for ERB snippets in Phlex:

🧰 Joel Drapper announced an update on Phlex

🧰 Jorge Manrubia announced a new version of idiomorph:

🧰 Davide Santangelo announced an update to his Gitingest gem and provided an article explaining the usage of it

Here you can read the whole article 📰

🧰 Avo announced plenty of updates recently - see the Video update, or read the blog post

🧰 Alexis Bernard announced a new version of Active Analytics

🧰 David Heinemeier Hansson announced a new Continuous Integration DSL for Rails 8.1. Here you can check the full PR: Structured CI with bin/ci #54693

🤝 Related (but not Ruby-specific)

🤝Hans Schnedlitz shared a NeoVim keybinding trick

🤝 Gavin Morrice asked for help defining "state" in software terms that would be understandable to non-technical people

He got some responses from his community

🤝Honeybadger.io announced a new EU data region option for users who need to keep their data outside the U.S., with a blog post providing more details

🤝 Adam Wathan shared his video series with the focus on high-quality UI 🎨

🤝Gregory Brown shared that he's been writing a personal tribute to the art of practice over the past few weeks

🤝 Donn Felker shared his take on how scattered meetings throughout the day destroy developer productivity

Links from his post:

• https://www.paulgraham.com/makersschedule.html

• https://www.donnfelker.com/the-15-minute-meeting/

🤝 David Teren shared a thread about MCP( Model Context Protocol). Read the full thread on threadreader app

🤝 Alex Yarotsky shared three steps for optimizing multi-column database indexes

More content: 📚 🗞 🎧 🎥 ✍🏾

🗞 Newsletters

🗞 Any Cable published new edition of their newsletter: Any Cables Monthly #27

🗞 Ruby Weekly published a new edition about On the state of Ractors in Ruby

🗞 Hotwire Weekly published a new edition about Week 10 - Turbo Frames Loading Spinners, when to use Rails views, and more!

🗞 Awesome Ruby Newsletter published a new edition about Issue 459 - What's the Deal with (Ruby) Ractors?

🎧 Podcasts

🎧 Tim Riley posted a new podcast: Lethal Dependency Injection

🎧 David Hill shared new podcast: Brand New Box - Ode to RailsConf

🎧 Pablo shared a new podcast about A junior, A Senior and I - on Building a Community

🎧 IndieRails posted a new podcast about Garrett Dimon - A Long Winding Journey

🎧 Chris Oliver and Andrew Mason published a new article about Advanced Package Management, PostgresSQL, and Mise

🎧 The Ruby on Rails Podcast published a new podcast about Episode 533: Catching Up With Nick Schwaderer

🎧 Ruby Rogues published a new article about Joe Masilotti on Hotwire Native Updates, Challenges, and Opportunities - RUBY_672

🎥 Videos

🎥 Dave Kimura posted a new video about Conditional Queue

🎥 Ruby Central shared a new video: Ruby Talks: Chris Oliver on Becoming Co-Chair for RailsConf 2025

🎥 Thoughtbot published a new video: Implementing LLM features with new Rails gem, Active Agent

🎥 Rails Quest By Kaleb Lape published a new article about Rails 8 + Usage Credits: Build a Full Credit System in Your App in 10 Minutes

🎥 CarlaStabile posted a new video: Coffee & Code 

🎥 Landon Gray published a new video: HR & Payroll Assistant

✍🏾 Articles

What’s new 🆕

🆕 Avo published a new article: Social login with the Rails 8 auth generator

🆕 Jean Boussier posted an article: The Pitchfork Story

🆕 Noel Rappin shared Better Know A Ruby Thing: Method Lookup – Noel Rappin Writes Here

🆕 Kevin Sylvestre published a new article about OmniAI 2.0: An LLM Library for Anthropic, DeepSeek, Google, Mistral and OpenAI

🆕 Camillo Visini published a new article about Phlex for Rails Emails: Action Mailer without ERB

🆕 Alessandro Rodi published a new article about Going beyond the Jamstack with dato-rails

🆕 Ryan Bigg published a new article about Decorating arrays with SimpleDelegator

🆕 Radan Skoric published an article about Rails 8 assets: Break down of how Propshaft and importmap-rails work together

🆕 Daniela Baron published a new article about Migrating From Rails Secrets to Credentials

🆕 Brad Gessler published a new article about Pick the wrong tool for the job

🆕 Jon Sully published a new article about An Opinionated Guide to Configuring Rails on Heroku

🆕 Rails Designer published a new article about Build a Notion-like editor with Rails, part 2

🆕 Jess Brown published an article about Active Record OR with Merge

🆕 Mika Henriksson published a new article about Empty Jobs, Empty Promises

🆕 Paul Kim published a new article about Set up Action Cable with Rails and React

🆕 Jose Farias published a new article on his new series Object-Oriented Rails: It’s none of their business and about Just Write English

🆕 Joël Quenneville published an article about Triangle of Separation

🆕 Akshay Khot published a new article about New Series on Rails Controllers and about Working with HTTP Requests in Rails

🆕 Josef Strzibny published a new article The pragmatic approach to testing Rails applications

🆕 Andrey Koleshko published a new article about New UI Features for Schema Tracking and Migration Management in ActualDbSchema

🆕 Louis Antonopoulos published a new article about Seeds...of Destruction!

🆕 Mirosław Pragłowski published a new article about Ractor - getting started

🆕 Saeloun Blog published a new article about Bulk Migrations by Passing validate(_check)_constraint through change_table

🆕 Piotr Romańczuk published a new article about Is your Rails application special?

🆕 Blazej published a new article about How I Stay Motivated While Learning Ruby (Even When It’s Hard)

🆕 Josef Strzibny published a new article about The pragmatic approach to testing Rails applications

🆕 Unagi Software published an article about Hotwire Turbo Frames: Add Seamless Loading Spinners in Rails

🆕 Mike Dalessio shared Open Source Update / March '25

🆕 Rich Steinmetz published a new article about How I use AI coding tools as a Rails dev

How-TOs 📝

📝 Davide Santangelo shared a new article about Building a Vector Database in Ruby: A Comprehensive Guide and about Building a Ruby Gem with CLI and Networking Capabilities: The Lanet Story

📝 Ender Ahmet Yurt published a new article about Adding SessionTestHelper to Existing Rails Project

📝 Bill Tihen published a new article about Rails: Table Selection Form (Article 2 of 2)

📝 Henry Maddocks published a new article about Build Ruby with YJIT and Rbenv

📝 Vini Oyama published a new article about Building a Multi-Page Guided Tour in Ruby on Rails with Driver.js

Related ✍️

✍️ Andrey Sitnik published a new article How to make web videos way smaller in 2025 using the AV1 codec

✍️ Jon Sully published a new article about The Developer's Guide to Avoiding PaaS Lock-in